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KC Desert

Watch your dealer service department, they have joy riders among them.

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Today I dropped off my 2020 GMC 2500HD AT4 and they took it out to verify a steering alignment issue. My steering wheel holds left a few degrees and its brand new. The GMC app told me they performed hard acceleration and braking as much as six times over their little test drive. They had no purpose or permission to drive our truck like that during my break-in period. Anyway, I called them on it and they acted dumb, or they are dumb but protect your $70k assets, they surely won’t.

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How does it define hard acceleration and braking though?

 

I can't really say if it was joy riding or just someone with a heavy foot. The break in period stuff is a mixed bag, everything is already seated within a few miles and for sure on a diesel that runs some extreme cylinder pressure and load on the engine just in normal driving.

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6 minutes ago, CamGTP said:

How does it define hard acceleration and braking though?

 

I can't really say if it was joy riding or just someone with a heavy foot. The break in period stuff is a mixed bag, everything is already seated within a few miles and for sure on a diesel that runs some extreme cylinder pressure and load on the engine just in normal driving.

I have tested how it is defined by trying different circumstances then checking the feedback in the app. Hard acceleration is you get on the throttle, hard. Braking, the same, defined braking where antilock kicks in.

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To me it sounds like they took your truck out to see how it drove, and if it pulled left or right when accelerating or braking hard.

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I told my wife to slow down on her last trip to my daughters house in Wisconsin. It's almost all interstate 70mph speed limit. She's a lead foot.

Screenshot_20191006-143158.png

She slowed down a little on her way home

Screenshot_20191012-085233.png

Edited by dieselfan1
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Seat the rings?  A Dmax already has the rings "seated" before it is dropped into the vehicle.  Same as any other diesel.  Daily, diesels go from the dealership right to full time work.  Be it the little diesels in these pickups on up thru 15L offerings in Class 8 trucks. Nothing has to be "seated'.  Fleets take 3/4 and 1 ton Dmax pickup trucks right to work and don't follow any "break in" regimen and their vehicles typically last longer than  most private users.

Edited by Cowpie
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9 minutes ago, Cowpie said:

Seat the rings?  A Dmax already has the rings "seated" before it is dropped into the vehicle.  Same as any other diesel.  Daily, diesels go from the dealership right to full time work.  Be it the little diesels in these pickups on up thru 15L offerings in Class 8 trucks. Nothing has to be "seated'.

Cowpie, he was being sarcastic, hence the "LOL" at the end.

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1 hour ago, dieselfan1 said:

I told my wife to slow down on her last trip to my daughters house in Wisconsin. It's almost all interstate 70mph speed limit. She's a lead foot.

Screenshot_20191006-143158.png

She slowed down a little on her way home

Screenshot_20191012-085233.png

I sure am glad I grew up when I did. If my dad would have had access to his kind of data.......he would not have died back in 1991. He would still be beating my butt.

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Yep. Gotta watch those service dept joyriders. One time I got my Impala SS back with 46 extra miles, mud on it, and my radio station presets changed to Mexican stations. Also make sure you get your vehicle’s equipment and any personal belongings back. 

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12 hours ago, davester said:

To me it sounds like they took your truck out to see how it drove, and if it pulled left or right when accelerating or braking hard.

I agree with this.  If a vehicle is pulling, it will do so that much more under hard weight transfer (accel or braking).  A good suspension/alignment mechanic will find a safe place to take his/her hands off the wheel, then launch hard and brake hard.  The steering wheel would react with the tires and turn further if the pull increases.

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7 hours ago, MaverickZ71 said:

 

 

Edited by dieselfan1

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8 hours ago, muddkatt said:

I sure am glad I grew up when I did. If my dad would have had access to his kind of data.......he would not have died back in 1991. He would still be beating my butt.

My wife wasn't too happy when she found out I was "stalking her".

Too bad don't run it so hard. Where's the fire?

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8 minutes ago, dieselfan1 said:

 

 

7 hours ago, MaverickZ71 said:

Yep. Gotta watch those service dept joyriders. One time I got my Impala SS back with 46 extra miles, mud on it, and my radio station presets changed to Mexican stations. Also make sure you get your vehicle’s equipment and any personal belongings back. 

I would have been so pissed I don't think I'd be going back there again 

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1 hour ago, dieselfan1 said:

 

I would have been so pissed I don't think I'd be going back there again 

I haven’t been back there again. I forgot to mention—on that service visit not only did they not fix the problem that I took it in for, they hassled me about not buying the car there when I took it in for warranty work, and they put a deep scratch in my side mirror when they drove it into their lift.  Then then they lied and said they didn’t hit the mirror. That was 22 years ago. And I live 1/2 block away from that dealership. Since I’m still driving a Chevy, I drive 106 miles one way to another GM dealer for service. The offending dealer had the gall to call me repeatedly afterwards to insist that I complete a GM service survey with a perfect review for them because they needed the credit with GM corporate!  

Edited by MaverickZ71

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